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United States Patent | 5,663,953 |
Maekawa | September 2, 1997 |
There are proposed a communication station apparatus which can perform a multipoint intercommunication by connecting a plurality of points via a communication line, having an inquiry unit for sending, in advance, an inquiry as to participation in the multipoint intercommunication to the stations of members relating to the multipoint intercommunication, and a registration unit for receiving inquiry results sent from the members who received the inquiry from the inquiry unit, and registering a group of personal information of the members relating to the multipoint intercommunication in correspondence with the received results, and a communication station apparatus which can perform a multipoint intercommunication by connecting a plurality of points via a communication line, having an inquiry unit for sending, in advance, an inquiry as to participation in the multipoint intercommunication to stations of members relating to the multipoint intercommunication, and a communication path setting unit for receiving inquiry results sent from the members who received the inquiry from the inquiry unit, and setting a communication path for the multipoint intercommunication in correspondence with the received results.
Inventors: | Maekawa; Yoshito (Yokohama, JP) |
Assignee: | Canon Kabushiki Kaisha (Tokyo, JP) |
Appl. No.: | 527461 |
Filed: | September 13, 1995 |
Sep 20, 1994[JP] | 6-224798 |
Current U.S. Class: | 370/261; 370/263; 379/204.01 |
Intern'l Class: | H04M 003/56 |
Field of Search: | 370/62,94.3,85.13,94.2,112,110.1,401,402,407,433,437,498,260,261-262,263,264 379/202,203,204,205,206,67 348/13,14,15 364/514 C,514 R,514 A |
5091933 | Feb., 1992 | Katz | 379/205. |
5309434 | May., 1994 | Maekawa | 370/62. |
5381412 | Jan., 1995 | Otani | 370/112. |
5392284 | Feb., 1995 | Sugiyama | 370/112. |
5402418 | Mar., 1995 | Shibata et al. | 370/62. |
5483587 | Jan., 1996 | Hogan et al. | 379/67. |
Foreign Patent Documents | |||
4326239 | Nov., 1992 | JP. | |
5-22321 | Jan., 1993 | JP. | |
5022322 | Jan., 1993 | JP. |
TABLE 1 ______________________________________ Multipoint Intercommunication Telephone Directory (Registered) Name Telephone Number ______________________________________ AAAA 111-1111 BBBB 222-2222 CCCC 333-3333 DDDD 444-4444 ______________________________________
TABLE 2 ______________________________________ Multipoint Intercommunication Telephone Directory (Inquiry Result) Result Name Telephone Number ______________________________________ Participation AAAA 111-1111 BBBB 222-2222 Absence CCCC 333-3333 No Response DDDD 444-4444 ______________________________________